117111071 has 8 divisors (see below), whose sum is σ = 146008704. Its totient is φ = 91255320.

The previous prime is 117111067. The next prime is 117111083. The reversal of 117111071 is 170111711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117111071 - 2² = 117111067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117111061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760385 + ... + 760538.

It is an arithmetic number, because the mean of its divisors is an integer number (18251088).

Almost surely, 2^117111071 is an apocalyptic number.

117111071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117111071 is a deficient number, since it is larger than the sum of its proper divisors (28897633).

117111071 is a wasteful number, since it uses less digits than its factorization.

117111071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520941.

The product of its (nonzero) digits is 49, while the sum is 20.

The square root of 117111071 is about 10821.7868672415. The cubic root of 117111071 is about 489.2520464385.

Adding to 117111071 its reverse (170111711), we get a palindrome (287222782).

The spelling of 117111071 in words is "one hundred seventeen million, one hundred eleven thousand, seventy-one".